Diodes DMN2400UFD - Manual (Page 5)

DMN2400UFD
Document number: DS35475 Rev. 4 - 2
5 of 6
www.diodes.com
July 2012
© Diodes Incorporated
DMN2400UFD
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1,000
Fig. 12 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
0.001
0.01
0.1
1
r(t)
,
T
R
ANS
IEN
T
T
H
E
R
MA
L
R
ES
IS
T
AN
C
E
D = 0.7
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
D = 0.5
D = 0.9
T - T = P * R (t)
Duty Cycle, D = t /t
J A JA
1 2
θ
R (t) = r(t) * θJA R
R = 261°C/W
θ
θ
JA
JA
P(pk)
t
1
t
2
0.000001
Package Outline Dimensions
Suggested Pad Layout
X1-DFN1212-3
Dim Min Max Typ
A 0.47 0.53 0.50
A1 0 0.05 0.02
A3 - - 0.13
b 0.27 0.37 0.32
b1 0.17 0.27 0.22
D 1.15 1.25 1.20
E 1.15 1.25 1.20
e - - 0.80
L 0.25 0.35 0.30
All Dimensions in mm
Dimensions Value (in mm)
C 0.80
X 0.42
X1 0.32
Y 0.50
Y1 0.50
Y2 1.50
A1
A3
D
e
E
b
A
b1
(2x)
L
Y2
X
X1
(2x)
Y
Y1
(2x)
C